baber/WOPTO huggingface dataset:
Patent GB-1141247-A (GB)
Title: Improvements in titanium base brazing alloy and brazed structure
IPC: B23K35/32
Filed: 1967-05-03
Abstract: 1,141,247. Brazing. GENERAL ELECTRIC CO. 3 May, 1967 [14 Oct., 1966], No. 20447/67. Heading B3R. [Also in Division C7] An alloy consisting of 15% Ni, 15% Cu with the balance, apart from impurities, being titanium is used for brazing 6% Al, 4% V balance Ti, 5% Al. 2À5% Sn balance Ti and 8% Al, 1% Mo, 1% V balance Ti alloys.
Patent GB-1374569-A (GB)
Title: Apparatus for machining workpieces
IPC: B23Q35/18
Filed: 1973-04-30
Abstract: 1374569 Grinding MASCHINENFABRIK GEHRING KG 30 April 1973 [29 April 1972] 20491/73 Heading B3D Apparatus for machining a wall surface of a workpiece, such as the inner epitrochoidal face of a rotary piston machine or the like, comprises a rotatable tool head having a member 9 for applying a tool 11 to the surface under a load governed by a pressurizable piston/cylinder arrangement 12, 13, and a control member 18 arranged to actuate a control device 17 for controlling the pressure in the arrangement according to the angular position of the head. As described, the apparatus is in the form of a honing tool having a head 1 carried by a driving rod 3 rotatable and axially reciprocatable in the direction of the arrows 4, 5. The tool head has a rectangular body 8 between a pair of circular flanges 7 having pivots to for lever-shaped supports 9, the outer ends of which have stripshaped honing stones 11. The supports are urged outwardly by pistons 12 in cylinders 13 each communicating by way of respective bores 15 on the rod 3 with grooves 34 in a hub 20 having bearings 21 supporting the rod for rotation, axial movement between the rod and  hub being prevented by a flange 22 and collar 23. A plate 19 is formed on the hub and carries pressure control devices 17 each connected by a respective pipe 30 to one of the annular grooves 34. Each device is also connected by pipes 31, 32 to its own pressure source 36 and reservoir. Each device 17 is mounted on a pivot 25 about which it can be adjusted by a screw 27 engaging a slot 28 and has a push-rod 24 engaging a lever 40 which is mounted in a respective pivot 41 and has a roller 43 engaging the edge 38 of a control element 18 secured to the flange of the rod 3. The control devices are adjustable by knobs 29 and the effective lengths of the levers 40 is adjusted by pivotal adjustment of the devices about the pivots 25. As the tool head 1 rotates, the control element 18 acts on the devices 17 which control the pressure supplied to the pistons 12 according to the angular position of the tool head and thus the pressure of the honing stones against the surface. Two honing tools 1 may be arranged one above the other on the rod 3, one having coarse stones and the other having fine stones. The apparatus may be used for honing circular surfaces.
Patent GB-679521-A (GB)
Title: Improvements in and relating to bearings
IPC: F16C33/52
Filed: 1950-08-21
Abstract: 679,521. Roller bearings. DUERKOPPWERKE AKT.-GES. Aug. 21, 1950 [Aug. 20, 1949], No. 20606/50. Class 12 (i). A cage for needle or roller bearings is manufactured in one piece from sheet metal, and comprises two side rings 1, 2 of channel section having their channels receiving and retaining the ends of the needles 2, and circumferentially spaced cross-pieces 3 extending between the rings and separating the needles into groups. The cross - pieces are flanged inwardly and into the running space for the needles. The side rings 1, 2 may have individual cavities to receive the conical ends of the needles.
Patent GB-436321-A (GB)
Title: Improvements in or relating to change-over devices for cinematographs
IPC: G03B21/34
Filed: 1934-07-13
Abstract: 436,321. Kinematograph projectors. ZEISS IKON AKT.-GES., 72, Schandauerstrasse, Dresden, Germany. July 13, 1934, No. 20650. Convention date, July 13, 1933. [Class 97 (i)] Change-over between two projectors is effected with the aid of a movable switch drum and cut-off shutter associated with each machine; each switch drum is movably associated with the shutter of its projector and includes a switch controlling the operation of the shutter of the other projector. Figs. 1 and 3 show a construction of apparatus for application to an existing projector. When projection is to commence, a drum 1 is rotated to the position shown, by a handle 2, to move a cut-off shutter 16 out of the projection beam, the shutter being rotated by a link 17 against the action of a spring 18. A detent 20, carried by a pivoted flap 15 which is placed so as to be engaged by an excessively large upper film loop, then engages a nose 19 to hold the shutter 16 ; mercury switches 11, 12 also complete the motor circuit of the projector, a mercury switch 8 completes the circuit of its sound lamp, and a mercury switch 9 in the circuit of a solenoid (corresponding to the solenoid 3) in the other projector is closed. The closure of the switch 9 is of no effect if the second projector is not operating. When change-over is to be effected, the drum of the second projector is rotated, the solenoid 3 in the first projector then becomes energized to move the core 4 in the direction of the arrow against the action of a spring 5, with the result that an inclined surface 13 on the core raises an arm 14 secured to the flap 15 and turns it, thus permitting the spring 18 to move the cut-off shutter into operative position, and to turn the drum 1 to its original position and break the motor and sound lamp circuits. A modified construction, in which the switch casings are rotatable and the solenoid casing is fixed, and for application to a projector during assembly, is described.
Patent GB-898088-A (GB)
Title: Improvements in or relating to apparatus for manufacturing ice confections and the like
IPC: A23G9/22
Filed: 1959-06-18
Abstract: 898,088. Ice-making. BILLINGHAM, A. C. Sept. 13, 1960 [June 18, 1959], No. 20913/59. Class 29 In apparatus for making frozen confections, e.g. ice-lollies, having elongated mould cups 10 depending from the base 11 of a tray 12, the major transverse axis of each cup is oblique to the length of the tray. It is stated that this allows a greater number of cups to the same size of tray. The stick holder, Figs. 3 and 4, consists of stationary plates 21, 22a having aligned oblique slots 21b and an intermediate movable plate 20 having oblique slots 20b overlapping but out of register with slots 21b. By operation of handle 25 this plate is caused to move obliquely in the direction of the axis of the slots to grip and release sticks of elongated cross-section extending through apertures 21b, 20b into the cups. The plate 20 is guided by oblique slots 20a working on fixed studs 23. Specifications 864,563 and 864,564 are referred to.
Patent GB-888099-A (GB)
Title: Apparatus for applying reinforcing strips to webs of material
Inventor: FILMER JOHN WILFRED
IPC: B31B1/90
Filed: 1959-06-18
Abstract: 888,099. Applying reinforcing strips to webs of material. REED CARTONS Ltd. Sept.14, 1960 [June 18, 1959], No. 21012/59. Class 73  Relates to apparatus for adhesively applying reinforcing strips to webs of material, e.g. paper, foil or textiles and.in particular for applying strips of cardboard to webs of paper for the production of carrier bags. According to the invention reinforcing material 4, Fig. 1, is fed continuously by rollers 13 from a reel or other bulk supply at constant speed to cutting means including a rotatable cutter 14 which partially severs the material 4 into strips 17, the connected strips 17 then being fed down over a curved plate 18, Fig. 6, where a rotating snatch member 20 of quadrant shape engages the strips against rollers 22 to grip the lowermost strip and complete its severance. The member 20 then feeds it to arcuate returning fingers 27 and wire brush members 28 which serve to retain each severed strip 17 in the desired alignment, claws 29 pivoted at 30 on the member 20 then engaging the upper edge of the strip to feed it tangentially to a gummed paper web 2 fed over a roller 9. The web 2 with adhering strips 17 then passes between nip rollers 10, Fig. 1, to ensure firm adhesive attachment of the strips. As shown in Fig. 1 three separate units are provided for the attachment of groups of three strips at spaced intervals along the web. Gum is appied to the web 2 by means of a quadrant 7 making intermittent contact with a roller 6 in a bath 5 and having on its surface three bars 8 each of which applies a strip of adhesive to the paper web 2 as its passes on the underside of the roller 9. During severance of the strips 17 by the snatch member 20 pivotally mounted grip fingers 24 controlled by a cam 6 press the connected strips 17 above the lowermost strip against the plate 18 to facilitate severance. The cam 20 and a fixed cam track 31  also controls the movements of the claws 29, the cam 31 serving to withdraw the claws 29 from engagement with the web 2 as the strip 17 is applied.
Patent GB-1382152-A (GB)
Title: Process for the production of alpha-methylacrolein
IPC: C07C45/52
Filed: 1972-05-05
Abstract: 1382152 α-Methylacrolein; hydrazones thereof BAYER AG 5 May 1972 [12 May 1971 21075/72 Heading C2C  α-Methylacrolein is obtained by reacting 2- methylene-1,3-propane diol at 80-220 C. with a 2-90% by weight solution of a strong acid having a pK-value of less than 3, measured in aqueous solution at 25 C. Aqueous inorganic acids, e.g. H 2 SO 4 ) HClO 4 , H 3 PO 4 , HCl and HBr, are preferred. Other acids having the required pK-value are nitric; mono-, di- and tri-chloroacetic, chloromalonic, o chlorobenzoic and benzene sulphonic acids. In a preferred embodiment, the 2-methylene- 1,3-propane diol is introduced continuously together with water and/or steam and the α- methylacrolein is continuously removed by distillation with steam.  An Example (8) describes the production of the 2,4-dinitrophenyl hydrazone of α-methylacrolein by effecting the preparation of the latter in the presence of the hydrazine.
Patent GB-1514195-A (GB)
Title: Spark plug electrode
IPC: H01T13/39
Filed: 1975-05-19
Abstract: 1514195 Sparking plug electrodes ROBERT BOSCH GmbH 19 May 1975 [18 Sept 1974 16 April 1975] 21132/75 Heading FIB A sparking plug electrode 11 comprises at least one filament 19 made from corrosion-resistant material which is highly electrically conductive and a matrix material 18 in which the filament is embedded and which is surrounded by a sheath 17 made from a corrosion-resistant material the matrix material being copper or a corrosion-resistant low alloy copper having a high electrical and thermal conductivity. As described 5 to 50 per cent of the cross-section of the electrode may be copper. Preferably approximately 30 per cent of the crosssection of the electrode is of copper. As shown in Fig. 2, there are seven filaments but in a modification, (not shown), there is only one filament. It is stated that up to 200 filaments can be embedded in the matrix material suitable materials for the filaments are corrosion-resistant alloys based on nickel, chromium or cobalt and similar alloys may be used for the sheath enclosing the matrix material. The filament material and the sheath material may comprise at least 95 wt. per cent of nickel.
Patent GB-871720-A (GB)
Title: Improvements relating to electromagnetic relays
Inventor: LAWRENCE REGINALD
IPC: H01H1/64
Filed: 1957-06-04
Abstract: 871,720. Electromagnetic relays. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. June 2, 1958 [July 4, 1957], No. 21210/57. Drawings to Specification. Class 38 (5). In a sealed relay with most of its insulators made of inorganic material but with some organic components a " getter " is provided to physically absorb free organic matter emitted by these components. The " getter " may comprise a gauze cup containing pellets of activated carbon, aluminium oxide, charcoal or silica gel.
Patent GB-850788-A (GB)
Title: Improvements in or relating to suspension strips for filing folders
IPC: B42F15/00
Filed: 1958-07-02
Abstract: 850,788. Filing papers. SOC. CIVILE DE RECHERCHES ET D'ETUDES INDUSTRIELLES. July 2, 1958 [July 2, 1957 ; Jan. 14, 1958], No. 21245/58. Class 146(1). Suspension strips mounted along the upper edges of the sides of a filing folder comprise a guide strip and an auxiliary strip, the guide strip having at each end thereof notches which have a combined length sufficient to accommodate the different possible relative spacings of supporting rails in a filing cabinet with a minimum of play between the strip and the rails, and the auxiliary strip having at each end of the lower longitudinal edge thereof a notch the length of which is substantially equal to the combined length of the notches at the corresponding end of the guide strip. The guide strip 1, Fig. 1, is formed on each edge with a pair of notches 2, 3, the notches on one edge being offset from those on the other edge. This strip is threaded under a flap 4 formed by the upper edge of one side 20 of the folder turned over and riveted to the side. The auxiliary strip 8 is slotted at 13 and has a bent-back upper portion 10 the upturned edges 11 of which form a holder for an index tab. At each end of the auxiliary strip a notch 9 is formed, each notch 9 being of such a width that it can engage the rails of the filing cabinet whether they are so spaced as to be engaged by the notches 2 or by the notches 3 in the guide strip 1. A band 14 of rigid material is secured to the auxiliary strip 8 by end portions 16 which are folded back round notches 17 in the strip. The side 18 of the folder is engaged between the portions 16 and the main part of the strip 8, and a flap portion 19 thereof, the length of which varies in accordance with the position of the bottom of the folder, is threaded through the slot 13 and under the band 14 as shewn in Fig. 3. In use the appropriate side of the guide strip 1 is directed downwards so that the notches 2 or 3 engage and guide the folder on the rails of the filing cabinet, the side 20 being supported thereby, while the auxiliary strip 8 engages the rails with the notches 9 and supports the side 18 of the folder. The end portions 16 of the band 14 may also be engaged behind the side 20 of an adjacent folder thereby holding together a plurality of folders in an accordion-like assembly. In a modification the band 14 is replaced by a resilient plate secured to the underside of the bent-back portion 10 of the strip 8 and extending downwards therefrom, the side 18 and a doubled back portion of the flap 19 being gripped between the plate and the strip. The guide strip 1 of the same or of an adjacent folder may also be gripped between the plate and the strip 8, the former action closing the folder and the latter serving to assemble a plurality of folders. In another modification notches are formed in one edge only of the guide strip.
Patent GB-281371-A (GB)
Title: Improved circuit arrangements in automatic telephone systems
IPC: H04Q3/00
Filed: 1926-08-30
Abstract: 281,371. Siemens Bros. &. Co., Ltd., and Patterson, W. G. Aug. 30, 1926. Addition to 271,142. Automatic exchange systems; metering.-In a connector provided with feeding bridges, and in which a busy flash signal and an answering supervisory signal are sent back by different battery connections at the connector, both under the control of the answering supervisory relay, as in the parent Specification, means are provided whereby the metering circuit over the third wire is closed on the response of the called party, but is not closed when the answering relay is energized on the transmission of the busy flash signal. According to one modification, this is effected by including a make contact of the test relay in series with the metering circuit. In the arrangement shown, however, the metering relay is de-energized and the metering circuit opened prior to the application of the busy flash current. When the connector is taken into use, the line relay A closes parallel circuits for the release relay B and the metering relay J, the latter of which prepares the metering circuit at contacts j<1>. Series relay C energizes over its right-hand winding and prepares the circuit of the vertical magnet VM, after the first step the relay C holding over its lefthand winding in series with the magnet. At the end of the impulse series, change-over relay E pulls up and directs the next impulse series to the rotary magnet RM; the same series relav C acts during both stepping movements, its lefthand winding being in circuit with both stepping magnets. If the wanted line is free, the test relay H operates, connects ringing current to the wanted line, and tell-tale signal current from lead RS to the calling line, and on the reply of the called party, the ringing trip relay F and the answering supervisory relay D energize, the former opening the circuit of the metering relay J. Relay D reverses the current over the incoming trunk to give answering supervision. Between the response of relay D and the relapse of relay J, booster battery BB is applied to the test wire c. If the wanted line is busy, on the relapse of series, relay C, the change-over relay E de-energizes and the ring cut-off relay F is energized over its right-hand winding. The circuit of relay J is thus opened and alternate flashing battery and earthed tone BS are applied to the a-wire over circuit f<5>, j<3>, h<6>, w<2>. The intermittent flashing battery causes the response of the answering relay D, which brings both the incoming wires to the same potential to transmit a flashing signal. The response of relay D does not cause a booster current impulse to be applied to the c-wire, since contacts j<1> are made to open before contacts j<3>, and therefore booster battery is disconnected before relay D can pull up. On release, if the called party clears first, relay D relapses and causes the alarm lamp CSH to glow.
Patent GB-1011813-A (GB)
Title: Improvements in or relating to foot rests
IPC: A47C16/02
Filed: 1964-05-25
Abstract: 1,011,813. Foot rests. E. RAEDER. May 25, 1964, No. 21474/64. Heading A4J.  A foot rest comprises a flat foot receiving panel 1 having an upstanding lip 2 and supporting walls 3 with floor contacting surfaces a, b, the surface a being disposed parallel to the panel 1 and the surface b being disposed at an angle to the panel 1. A stop member 4 may be provided. In a modification the walls 3 may be replaced by bent iron bars. In a further modification the walls 3 may be replaced by bent flat-bar irons. In a further modification the foot receiving panel and supporting walls are made in one piece from moulded or pressed plastics material or from pressed plate or veneer sheet.
Patent GB-1431803-A (GB)
Title: Method of ion exchange
IPC: B01J49/00
Filed: 1973-05-05
Abstract: 1431803 Regeneration of ion-exchangers CLARKE CHAPMAN LTD 15 Feb 1974 [5 May 1973] 21519/73 Heading B1J A method of ion exchange comprises regenerating a lower bed of ion exchange material while in a compacted condition by flow of regenerant upwards through the bed while liquid flows downwards through an upper bed overlying the lower bed, the liquid and the regenerant being removed in the region of the interface of the two beds, said liquid which flows downwards through the upper bed being liquid displaced from the upper bed by the application of fluid pressure to the upper bed. The beds may be of the same resin, operated as a single bed during service, or of different e.g. anionic and cationic resins either operated as such or operated as a mixed bed and separated only for regeneration. In an example the upper bed is weakly acid and the lower bed strongly acid cation exchange resins.
Patent GB-423592-A (GB)
Title: Improvements in and relating to the manufacture of sodium carbonate decahydrate
IPC: C01D7/38
Filed: 1933-07-31
Abstract: Solid compositions consisting essentially of sodium carbonate decahydrate are prepared by obtaining a uniform magma approximating in composition to sodium carbonate decahydrate of which the solid phase consists essentially of sodium carbonate heptahydrate, with or without some decahydrate, and which accordingly has a temperature of 32--35 DEG  C., forming the magma into shapes, e.g. by pouring into moulds or by extrusion and cutting, and rapidly cooling the magma to a temperature substantially below 32 DEG  C., during or immediately after forming. The final shaped bodies may contain some of the heptahydrate. Some sodium bicarbonate may be introduced into the initial mixture and additional detergent substances such as soap, sodium phosphate or sodium aluminate may be added at any convenient stage.  The magma may be obtained within the specified temperature range by rapidly cooling from a higher temperature a liquid or magma of the necessary composition, for example a mixture of soda ash and water may be brought into the stable range of the p  monohydrate, that is above 35 DEG  C., prior to adjusting the temperature within the range 32--35 DEG  C.  The preparation may be carried out continuously by adding the required quantities of the initial ingredients to a large quantity of the hot stirred magma, from which the corresponding quantities are withdrawn for cooling to 32--35 DEG C. followed by shaping and further cooling as above described. Finely ground sodium carbonate decahydrate crystals may be added to the magma at 32 DEG  C. to modify the consistency. The magma may also be prepared by melting sodium carbonate decahydrate crystals. Specification 232/02, [Class 1], is referred to.
Patent GB-743697-A (GB)
Title: Method of aerating liquids
IPC: C02F3/20
Filed: 1953-08-05
Abstract: 743,697. Purifying liquids. UNION RHEINISCHE BRAUNKOHLEN KRAFTSTOFF AKT.-GES., KRIEGBAUM, O., and DIEM, A. Aug. 5, 1953 [Sept. 1, 1952], No. 21616/53. Class 46. In a method of de-acidifying and removing iron and manganese compounds from liquids, especially water, in a container, by the action of air bubbles rising through the liquid from porous aerating devices on the bottom or sides of the container, the liquid to be treated flows continuously under no appreciable head through the container in a stream of such depth, freedom from turbulence and flow velocity that the air bubbles introduced into the liquid remain substantially unaltered in size as they rise through the liquid. The air may contain a germicidal and bactericidal gas such as ozone. The surface tension of the liquid may be reduced where necessary by addition of wetting agents, or in. creased to permit foaming by addition of higher alcohols. Liquid flowing in at 2, Fig. 2, across the full width of a tank 1, is constrained to follow a tortuous path to the outlet 3 by a series of baffles 5 and 6 inclined so that air forced in through fritted glass, ceramic or like elements 4 may rise in the form of small bubbles through the liquid without the formation of larger bubbles. The flow path ensures close contact between the liquid and the elements 4; the last element 4a is arranged substantially parallel to the liquid flow. In Fig. 3a, not shown, the tank is covered and the baffles are all vertical, an aerating element being provided near the bottom of the tank between adjacent baffles and also between the end baffles and the tank walls. The liquid thus flows alternately with and against the air current. In Fig. 3b the flow is countercurrent only and in Fig. 3c the liquid flows in zig-zag fashion across the air current. In Fig. 3d, not shown, the baffles are omitted. Where carbon dioxide is being removed the air is preferably freed from carbon dioxide before use. The optimum de-acidification effect is determined by testing the liquid for free carbon dioxide before and after the treatment and then by selecting the porediameter of the aerating elements, the liquid flow velocity, the liquid depth and the gas volume accordingly. Where compounds of iron and manganese are being removed the liquid must be filtered after aeration to remove the precipitates formed. The method is effective to remove combined carbon dioxide, with consequent precipitation of calcium hydroxide, from liquid containing carbonates. Thus water may be partially softened when required for brewing, for example.